For Boys, the Usual Sequence of Physical Changes in Puberty

question 93

Multiple Choice

For boys, the usual sequence of physical changes in puberty is _____.

• A) growth of the testes, initial pubic-hair growth, growth of the penis, and spermarche
• B) growth of the testes, growth of the penis, initial pubic-hair growth, and spermarche
• C) spermarche, growth of the testes, growth of the penis, and initial pubic-hair growth
• D) initial pubic-hair growth, growth of the testes, spermarche, and growth of the penis

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Definitions:

Hormones

Biochemical substances produced by various glands in the body that regulate physiological activities and behavioral responses.

Bodily Functions

Bodily functions refer to the physiological processes carried out by an organism's body systems, necessary for maintaining life and health.

Involuntary Processes

Physical or mental processes that occur without conscious control, such as breathing, heart rate, and digestion.

Medulla

A section of the brain stem responsible for regulating vital functions, such as breathing and heart rate.